Estudio geotécnico in Oyón-Oion

In the municipality of Oyón-Oion, soils formed by sandstones, conglomerates and flysch predominate, occupying more than 80% of the territory. These materials, together with the occasional presence of water masses, generally provide good bearing capacity, allowing conventional shallow foundations to be considered with confidence. The high permeability of the associated aquifers favours the drainage of groundwater, minimising the risk of water accumulating beneath structures and simplifying drainage solutions in building and infrastructure projects.

Seismicity in Oyón-Oion is very low, with only three recorded events in the last 30 years and a maximum magnitude that barely reaches 2.2, so seismic risk can be considered negligible for structural design. The analysis of expansivity indicates that the dominant substrate is not clayey, thereby ruling out the occurrence of swelling or shrinkage problems due to moisture variations. Therefore, the fundamental conditions that determine the foundation type are the granular nature of the ground and the high permeability, resulting in a highly favourable geotechnical environment for construction.